We found one dictionary that defines the word difficulty breathing while lying down:

Medicine (1 matching dictionary)

1. University of Maryland Glossary of Medical Terms (No longer online)

▸ Words similar to difficulty breathing while lying down ▸ Usage examples for difficulty breathing while lying down ▸ Idioms related to difficulty breathing while lying down ▸ Wikipedia articles (New!) ▸ Words that often appear near difficulty breathing while lying down ▸ Rhymes of difficulty breathing while lying down ▸ Invented words related to difficulty breathing while lying down